def get_object(self, queryset=None):
     post = get_object_or_404(Post.objects.select_related('topic', 'topic__forum'), pk=self.kwargs['pk'])
     self.topic = post.topic
     self.forum = post.topic.forum
     if not pybb_topic_moderated_by(self.topic, self.request.user):
        raise PermissionDenied
     return post

 def get_redirect_url(self, **kwargs):
     post = get_object_or_404(Post, pk=self.kwargs['pk'])
     if not pybb_topic_moderated_by(post.topic, self.request.user):
         raise PermissionDenied
     post.on_moderation = False
     post.save()
     return post.get_absolute_url()

 def get_queryset(self):
     self.topic = get_object_or_404(Topic.objects.select_related('forum'), pk=self.kwargs['pk'])
     if self.topic.on_moderation and\
        not pybb_topic_moderated_by(self.topic, self.request.user) and\
        not self.request.user == self.topic.user:
         raise PermissionDenied
     if (self.topic.forum.hidden or self.topic.forum.category.hidden) and (not self.request.user.is_staff):
         raise Http404()
     self.topic.views += 1
     self.topic.save()
     qs = self.topic.posts.all().select_related('user')
     if not pybb_topic_moderated_by(self.topic, self.request.user):
         if self.request.user.is_authenticated():
             qs = qs.filter(Q(user=self.request.user)|Q(on_moderation=False))
         else:
             qs = qs.filter(on_moderation=False)
     return qs

 def get_topic(self):
     topic = get_object_or_404(Topic, pk=self.kwargs['pk'])
     if not pybb_topic_moderated_by(topic, self.request.user):
         raise PermissionDenied
     return topic